Average Co-Inventor Count = 1.50
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Ykk Corporation (3 from 1,442 patents)
3 patents:
1. D643779 - Slider for slide fastener
2. D643336 - Slider for slider fastener
3. 7127780 - Button